Machine for operating upon the soles of boots and shoes.



1. TRIEM.

MACHINE FOR OPERATING UPON THE SOLES 0F BOOTS AND SHOES. APPLICATIONFILED SEPT- 25, 1912.

Patented Nov. 23, 1915.

J'A'KOB TRIEM, OF FRANKFORTON-lTHE-MAIN, GERMANY, ASSIGNOR TO UNITEDSHOE MAGI-IINERY COMPANY, OF PATERSON, NEW JERSEY, A CORPORATION OF NEWJERSEY.

MACHINE FOR OPERATING UPON THE SOLESOF BOOTS AND SHOES.

Specification of Letters Patent.

Patented Nov. 23, 1915,

Application filed September 25, 1912. Serial No. 722,275.

To all whom it may concern: a s

Be it known that I, JAKOB Tamar, a subject of the King of Bavaria,residing at Frankfort-on-the-Main, in the Kingdom of' Prussia and Empireof Germany, have invented certain Improvements in Machines preferablyfor consolidating the marginal portion of the sole.

The machine hereinafter described is more particularly designed for usein the manufacture of shoes, the soles of which are provided with whatis known as an English channel ora channel formed as a slit which is cutat a comparatively large angle to the tread face, approximating a rightangle. As herein employed, the term sole is used in its generic 1 senseto. include not i only thesingle sole of theusualMcKay,

pegged or nailed shoe but also a double or tapped sole andthecombined'welt and outsole of a welt shoe. Various operations performedupon a shoe during the process of manufacture tend to separate the wallsof'the slit or'channel in the tread face wherein the outseam lies. Forexample, during the leveling operation, the margin of the sole is forcedtoward the upper of the shoe, thus tending to open the channel;Howeveiy'in order that thefinished shoe may have its maximum marketable,value, it is important that the channel shall be tightly closed and beas nearly invisible as possible. s 7

Accordingly, the principal objectof this invention is to provide noveland effective means for closing the channel and preferably forconsolidating and finishing the edgeof the sole at the same time. 7

With this object in view, one feature of the invention comprises theprovision of a pair of rotary tools located onefwithin the other andconstructed and arranged to act respectively upon the edge and upon thetread face of the sole, together with means for imparting rotarymovements in opposite directions to the tools' In the illustratedembodiment of the invention, the tools are located concentrically, onetool'being shaped andoperated to close the channel in the face to of thesole and the other to beat or pound the edge of the sole and thus assistalso in s closing thechannel, in addition to consoli dating andfinishing the sole edge. Pref;

erably, each of the two tools is cylindrical in form and is providedwith spaced teeth at one end which constitute the active elements of thetool,

In addition to the features above specifically referred to, theinvention comprises also certain other comblnations and arrangements ofparts and features of construction which will now be described in Figurel is a side elevatiompartly 111 secs tion, of the head of a machineembodying the invention in its preferred form; Fig.

2 is a similar view upon a larger scale of the channel closing tool;Fig. 3 is a still larger detail view'of one of the teeth of p thechannel closing tool; and Figs. 4 and 5 are end and side elevationsrespectively of the edge beating tool.

As illustrated, the head 2 of the machine supports in suitable bearingsa hollow shaft s 4 and a concentrically arranged inner shaft 6. vThechannel closing tool 8 is mounted upon the shaft 4 so as to be slidableaxially thereonbut it is, compelled to rotate with the shaft by means ofa spline 9 fixed to the shaft and provided with an outturned end 10which extends into a keyway 11 in the tool 8. The end 10 of the splinenot only causes the tool 8 to rotate positively with shaft 4 but it alsoprevents the tool from sliding off the end of the shaft. A spring i 12surrounding the shaft and interposed between therear end of the tool anda collar 14 fixed to the shaft tends constantly to maintain the tool inits extreme outer position. s i

The outer end of the tool 8 is formed with a series ofspaced teeth 16,the ends 18 of which are constructed and arranged to wipe v over thetread face of the sole during the rotation of the tool so as to closethe chan nel. As clearly illustratedin Figs, 2 and 3, the faces 18 arebeveled in two directions. They lie approximately in-a conical surfacetheaxis of which is the axis of the tool 8, thus being beveled tocorrespond substantially with the transverse curvature of the sole B ofthe shoe A,'as shown in Fig. 1. The faces 18 are also slightly beveledapthe tool so that an increasing. pressure will be exerted upon thesole'adjacent the channel C as each tooth'travels over the sole:

Arranged concentrically with tool 8 and fixe'dto the'inner shaft'6 isthe edge beating tool 22 which is also provided with teeth 2% whichproject outwardly beyond theteeth 16 of'the tool "8.' Theteeth 24 are sospaced "that in the rotation of the tool'a' rapid succession ofblowsisimparted to the edge of the sol'eiwhich not only assist inclosingthejchannel, but also finish and consolidate thesolef edge,makingIitsinooth, hard and regular in shape. Thetwo shafts and the two Ftools carried respectively thereby are rotated independently anddiver'sely through v the pulleys 26 and 28. Preferably the tools arerotated in opposite directions, causing the machine to run with lessvibration and resulting in a more effective operation. upon the sole. 7

A rest for the tread face of the vsole is. provided in the form of afreely rotatable k Y r011 30 mounted upon a spindle 3'2 fixed: in

an arm 34. By means of a bolt 36pas'sing through arm 34 and through anelongated slot 38- in a bracket l0, the arm, and there fore the roll 30,may be clamped lto the bracket after it has beenadjusted vertically.

and angularly as desired. Oonveniently,the

angular adjustment may be secured by a set screw 42 threaded through alug 44 upon the arm and impinging against the lower surface of thebracket 40. This bracket is mounted to slide horizontally in a guidewayin the; frame 2 and can be secured in ad justed position'by a set screw46. v c

The manner inwhich the machine may be used in'operating upon the sole Bof a shoe A for the purpose described will be readily understood fromthe foregoing description read in connection with the accompanyingdrawings. The sole rest 30 is'ad'jus'ted to support the sole of the shoein proper rela- V tion to the teeth of the two tools 8 and Theoperatonholding the shoe in his hands, presses-the sole, inwardly. andupwardly against the teeth of the tools, as shown in Fig.1, compressingthe spring 12. He then feeds the shoe along so as to presentthe desiredportions of the sole progressively to the tools, with the result that asthe toolsare rotated in oppositedirections the ends 18 of teeth'1i6 wipeover and beat the tread face of the sole toclose the channel while thecylindrical surfaces of teeth 24 fp ej ,7 Having thus -indicated thenature and s scope ofthe invention and having. described in detail amachine embodying the 1nvention in a preferred form, what I claim as 1.A machine of the class described,- cornprising a pair of rotary toolslocated one within the other and arranged and shaped .to beat theedgeof; the sole of ashoe and closev the channel in theltreajd face;

new and desiretosecure by Letters Patent 7 of the United States isproximately in the direction of rotation of 2. A machine ofthe classdescribed, com

prising anpair of; rotary tools located I one within the other andconstructed and arranged to act; respectively upon the, edge and uponthe tread face of the sole of a shoe,

tools simultaneously in opposite directions;

j in combination with means forrotating said! 3. A machine of the classdescribed, coinprising a pair of concentric cylindrioalitools, one endof each of which iS;,pI?0Vlded,Wltll spaced teeth, theouter cylindricalsurfaces of theteeth of one tool being arranged; and shaped,to beat the,edge-of the sole of a shoe while the ends of the teeth of the othen oare r n d a -sh ped o Wip o the tread face of the sole and closethe-channel. I

i. amc ine of theclass described; (inn;

pr sin a pa f e fi ec pr v ded; with teethhaving open spacesbetweenthem,

the surfaces ofthe teeth of o ne I tool "being arrangedand shaped tobeat the edgeof the,

sole; of a shoe while the-ends of the teeth to wipe over the tread faceof thesole and .of theother tool are arranged and shaped v closethechannel, in combination Withimeans for rotating; said toolssimultaneously injop-v posite, directions, and] an angularly adjust-..able rest forsaid tread face constructed and, v

arranged to position the sole in proper operativerelationto the tools. v

5. A rotary cylindr cal channel closing tool provided at its; outer endwith spaced teeth "(16), havingl relatively deepjslot-s between them,open at each end, the end; faces (18) of which teeth lie approXimatelyal-v though, not exactly in a single cdnical surface, the aXis of whichis the axis of thetool, but-which are slightly beveled inthe gen-J eraldirection of rotation of. the tool,

6. A machine of theclass described, com-r c prising a pair ofindependently rotated con centric tools. respectively shaped and"operated to beat-the edge of the sole of a, shoev and to" closefthechannel vin its treadj facc one end 'of'each tool being providedjwith fspaced teeth,the faces of the teeth, ofone tool, being arranged andshaped to beat the edge of the sole'ofa shoe while the; endsiof theteethof thfeothen tool are arranged and shaped to';wipe-over and closethe channelin its tread face, i the acting, iends lof the channefclosing tool lying approximately in a single conical surface but being"slightly beveled.

7. A. machine of the class described, com-' prising a pair of concentricshafts and independent means for rotating them, in combination with apair of tools mounted respectively on said shafts and shaped andoperated to beat the edge of the sole of a shoe and close the channel inits tread face.

8. A machine of the class described, comprising a pair of concentricshafts and independent means for rotating them, in combination with apair-of tools mounted respectively on said shafts and shaped andoperated to beat the edge of the sole of a J shoe and close the channelin its tread face,

together With a spring for supportingone of the tools yieldingly inthedirection of its axis and an adjustable rest for the tread face of thesole.

In testimony whereof I have signed my name to this specification in thepresence of Copies of this patent may be obtained for five cents each,by addressing the Commissioner of Patents,

Washington, D. C.

